* {
    border: 0px;
    margin: 0px;
    padding: 0px;
}

body {
    width: 100%;
    height: 100vh;
    position: relative;
    align-content: center;
    overflow: hidden;
    /* background-image: url("/HTML5_3D/Images/10.jpg");
    background-size: contain; */
}

body video {
    top: 0px;
    left: 0px;
    position: absolute;
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.title {
    z-index: 9999;
    position: fixed;
    top: 0px;
    width: 100%;
    text-align: center;
    color: #fd79a8;
    background-color: #6c5ce7;
    opacity: .5;
    font-family: cursive;
}

.box {
    width: 500px;
    height: 500px;
    /* background-color: bisque; */
    position: absolute;
    transform: rotateX(-35deg) rotateY(25deg) rotateZ(25deg) translate3d(59px, 96px, 0px);
    transform-style: preserve-3d;
    top: calc(50% - 250px);
    left: calc(50% - 250px);
    user-select: none;
}

.box span {
    width: 500px;
    height: 500px;
    background-color: burlywood;
    display: block;
    position: absolute;
    transform-style: preserve-3d;
    user-select: none;
    /* backface-visibility: hidden; */
    /* border: solid 1px black; */
}

.box span video {
    top: 0px;
    left: 0px;
    position: absolute;
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.box span:nth-child(1) {
    transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg) translate3d(0px, 0px, 0px);
    /* background-image: url("/HTML5_3D/Images/1.jpg");
    background-size: contain; */
}

.box span:nth-child(2) {
    transform: rotateX(90deg) rotateY(0deg) rotateZ(0deg) translate3d(0px, -250px, 250px);
    /* background-image: url("/HTML5_3D/Images/2.jpg");
    background-size: contain; */
}

.box span :nth-child(2) {
    transform: rotateX(180deg)
}

.box span:nth-child(3) {
    transform: rotateX(0deg) rotateY(-90deg) rotateZ(0deg) translate3d(-250px, 0px, 250px);
    /* background-image: url("/HTML5_3D/Images/3.jpg");
    background-size: contain; */
}